Fastening device.



A. E. ENGLAND.

FASTENING DEVICE.

APPLIUATION FILED JUNE 22, 1904. RENEWED AUG. 5, 1910.

Patented M2117, 1911.

give/ 222 ATES PATENT anion.

amass is. ENGLAND, or AMESBUBY, MASSACHUSETTS, flrssrenon To {EVERETT n.

.KENT, or NEWTON, MASSACHUSETTS.

FASTENING DEVICE.

senate.

Specification of wars Fatent.

Patented Mar. 7, 1911.

' Application filea June '22, 1904, Serial No. 213,627. Renewed august "5, 1910. Serial No. 573,865.

To all whom 'it may concern:

-Be it known that I, ARTHUR E. ENGLAND, of Amesbury, in the county of Essex and State of Massachusetts, have invented certain new and useful Improvements in Fastening Devices, of which the following is a specification. I

This invention relates to improvements in fastening devices, and it is here shown as itmay be applied in fastening cooling plates upon the cylinder of an internal combustion engine.

More particularly it relates to means for fastening two parts together in which a permanently tight fastening is required, and in which access to the fastening can be had from only one side.

The invention comprises the fastening hereinafter described, and illustrated in the accompanying drawings, in' which- Figure 1 represents one of the parts which is to be fastened, with places prepared for the fastening seen in plan view. Fig. 2 represents one use of the fastening 111 which alarge number of cooling plates are fastened to an engine cylinder in close proximity to each other. Fig. 3 represents a section on the line '33 of Fig. 2, and "F 1g.

'4 represents one of the plates shown in Figs. 2 and 3, being a view similarto Fig. 1.

Referring to the drawings :a represents a cylinder forming a part of an internal combustion engine; and b I) represent heatradiating bl des of sheet metal, each of fastenin which is provided at its inner edge with a flange b seated upon the periphery of the cylinder a. The said flan e is provided at suitable intervals with ori ces b 'which are preferably olygonal in shape, as shown in Figs. 1 and 4, these orifices receiving securing rivets a c which enter orifices formed for their reception in the cylinder and are upset at their outer ends to form heads 0'. The orifices which receive the fastenings c are preferably screw-threaded and the said are madeof screw-threaded wire each being inserted by rotatin the wire/ until its end portion is entere in corresponding orifices and engages the thread thereof, after which the wire is severed above the flange b? and the projecting portion is upset'and thus caused to form the,

head 0 and to fill and closely fitthe polyg- I the orifices prevents the threaded fastening devices a from turning in the cylinder and thus becoming loosened. The blades 6 are preferably arranged in close proximity to each other and they radiate from the cylinder as indicated in Fig. 2, so that they If desired, the blades may be given a slight pitch or spiral inclination.

The use of this invention for the purpose illustrated shows one situation in which its use is highly advantageous. In such cases it is important to maintain a-close connection between the engine cylinder and the plates for the sake of easy transmission of plate to the cylinder head as close as a rivet would do; and the expansion, or 'de-formatheploygonal hole prevents rotation of the stud and thus; prevents its. withdrawal. Thusa single headed rivet is formed which holds firm notwithstanding the inner end of the rivet is inaccessible. In the application of the invention here illustrated it is proposed to use a series of such studs between each plate and the cylinder. Of course the same principle can be applied to fastening .any other bodies desired. If only one stud is .to be employed in the. fastening some rotation of one body relative to the other about the stud. Another stud, or any kind of'a, lug would serve this" pur ose. In the drawings the use of a multiplicity of studs serves this purpose, the rotation of a plate about any one of them being prevented by the presence of the others.

. I claim:

furnish large areas of heat-dissipating sur- Fig. 4, or corrugated as shown in Fig. 1.

A joint, comprising two bodies, one of heat: The upsetting of thehead joins the tion of the head into non-circular form in I means should be provided for preventing v which has a screw threaded hole and the In testimony whereof I have afixed my otherda1 nonl-lcirgularhliiole, and all stud; signature, in presence of two'wibnesses. threa e in t e rst 0 e assin t- 'rou the second and engaging in its nd n-circulir I ARTHUR ENGLAND 5 portion and being thereby prevented from Witnesses:

rotating, the stud having a head on the re- 0. F. BROWN, mote side of the second body. I H. L. ROBBINS. 

